#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017-11-10 9:58
# @Author  : zejin
# @File    : beautiful.py

from bs4 import BeautifulSoup as bs
import re

html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>

<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>

<p class="story">...</p>
"""

soup = bs(html_doc,"html.parser")

# print(soup.prettify())

print(soup.title.string)

print(soup.find(id="link1"))
print(soup.find(id="link1").string)
print(soup.find(id="link1").get_text())
print(soup.find_all("a"))

# for link in soup.find_all("a"):
#   print(link.string)

# 有包含标签的无法用string获取里面的值可以用get_text
print(soup.find("p",{"class":"story"}).get_text())

# 查找b开头的标签 正则表达式
for tag in soup.find_all(re.compile("^b")):
    print(
        tag.name
    )

data = soup.find_all("a",href=re.compile(r"^http://example\.com/"))
print(data)




